<?php

class UserController extends Controller
{
	/**
	 * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
	 * using two-column layout. See 'protected/views/layouts/column2.php'.
	 */
	public $layout='//layouts/view';
	
	/**
	 * @return array action filters
	 */
	public function filters()
	{
		return array(
			'accessControl', // perform access control for CRUD operations
			'postOnly + delete', // we only allow deletion via POST request
		);
	}

	/**
	 * Specifies the access control rules.
	 * This method is used by the 'accessControl' filter.
	 * @return array access control rules
	 */
	public function accessRules()
	{
		return array(
			array('allow',  // allow all users to perform 'index' and 'view' actions
				'actions'=>array('index','view', 'login', 'logout', 'regist', 'captcha'),
				'users'=>array('*'),
			),
			array('allow', // allow authenticated user to perform 'create' and 'update' actions
				'actions'=>array('create','update', 'member', 'edit'),
				'users'=>array('@'),
			),
			array('allow', // allow admin user to perform 'admin' and 'delete' actions
				'actions'=>array('admin','delete'),
				'users'=>array('admin'),
			),
			array('deny',  // deny all users
				'users'=>array('*'),
			),
		);
	}
	
	public function actionMember()
	{
		$user_name = Yii::app()->user->getState('userName');
		$user = User::model()->findByAttributes(array('user_name'=>$user_name));
		$this->render('member', array(
			'user'=>$user
		));
	}
	
	public function actionLogout()
	{
		Yii::app()->user->logout();
		$this->redirect(Yii::app()->homeUrl);
	}
	
	public function actionEdit()
	{
		$user_name = Yii::app()->user->getState('userName');
		$model = User::model()->findByAttributes(array('user_name'=>$user_name));
		
		if(isset($_POST['User']))
		{
			$model->attributes=$_POST['User'];
			if($model->save())
				$this->redirect(array('member'));
		}
	}
	
	public function actionLogin()
	{
		$model=new LoginForm;
		
		if(isset($_POST['LoginForm']))
		{
			$model->attributes=$_POST['LoginForm'];
			if($model->validate() && $model->login())
				echo 'success';
			else 
				echo json_encode($model->getErrors());
		}
	}
	
	public function getUserByName($userName)
	{
		$data =  new CActiveDataProvider('User', array(
			'criteria'=>array(
				'condition'=>'user_name=\''.$userName.'\''
			),
			'pagination'=>array(
				'pageSize'=>100
			)
		));
		
		return $data;
	}

	/**
	 * Displays a particular model.
	 * @param integer $id the ID of the model to be displayed
	 */
	public function actionView($id)
	{
		$this->render('view',array(
			'model'=>$this->loadModel($id),
		));
	}

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate($id)
	{
		$model=$this->loadModel($id);

		if(isset($_POST['RegistForm']))
		{
			$model->attributes=$_POST['RegistForm'];
			if($model->save())
				echo 'success';
		}

		echo '失败';
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'admin' page.
	 * @param integer $id the ID of the model to be deleted
	 */
	public function actionDelete($id)
	{
		$this->loadModel($id)->delete();

		// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
		if(!isset($_GET['ajax']))
			$this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
		$dataProvider=new CActiveDataProvider('User');
		$this->render('index',array(
			'dataProvider'=>$dataProvider,
		));
	}
	
	/**
	 * Manages all models.
	 */
	public function actionAdmin()
	{
		$model=new User('search');
		$model->unsetAttributes();  // clear any default values
		if(isset($_GET['User']))
			$model->attributes=$_GET['User'];

		$this->render('admin',array(
			'model'=>$model,
		));
	}

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer $id the ID of the model to be loaded
	 * @return User the loaded model
	 * @throws CHttpException
	 */
	public function loadModel($id)
	{
		$model=User::model()->findByPk($id);
		if($model===null)
			throw new CHttpException(404,'The requested page does not exist.');
		return $model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param User $model the model to be validated
	 */
	protected function performAjaxValidation($model)
	{
		if(isset($_POST['ajax']) && $_POST['ajax']==='user-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}
	
	public function actionRegist()
	{
		$model=new User;
		if(isset($_POST['User']))
		{
			$model->attributes=$_POST['User'];
			if (!$model->validate())
			{
				echo '验证码错误！';
				exit();
			}
			$user = User::model()->findByAttributes(array('user_name'=>$model->user_name));
			if ($user != null)
			{
				echo '该用户已存在！';
			}
			else
			{
				$model->password = md5($model->password);
				if($model->save())
				{
					$_identity=new UserIdentity($model->user_name,$model->password);
					$_identity->authenticate();
					Yii::app()->user->login($_identity);
					Yii::app()->user->setState('userName', $model->user_name);
					Yii::app()->user->setState('userName', $model->id);
					echo 'success';
				}
				else
				{
					echo '注册失败！';
				}
			}
				
		}
	}
	
	public function actions()
	{
		return array(
				'captcha'=>array(
						'class'=>'CCaptchaAction',
						'backColor'=>0xFFFFFF,
						'maxLength'=>'4',       // 最多生成几个字符
						'minLength'=>'4',       // 最少生成几个字符
						'height'=>'30',
						'width'=>'55',
						'offset'=>'0',
						'testLimit'=>3
						//'transparent'=>'true'
				),
		);
	}
}
